"I guess I watch more MTV than you do. I'm a junkie for it"

Sebastian Bach is recommending that he sees more MTV than the individual he is talking to. He is indicating that he is a fan of MTV and takes pleasure in seeing it often. He is likewise recommending that he is addicted to seeing MTV, as he calls himself a "junkie" for it. This might be analyzed as a joke, as he is overemphasizing his love for MTV, or it could be a major declaration about his seeing habits. It could also be a way of expressing his affection for MTV and its shows. Whatever the case, it is clear that Sebastian Bach is a fan of MTV and delights in enjoying it frequently.